As of May 2026, the population of Marshall Islands is 43.1 thousand. The number of inhabitants has increased by 386 in the last year, representing a growth of 0.91%. The median age of the population has increased in recent years, rising from 21.7 years in 2016 to 25.9 years in 2026. Currently, life expectancy at birth is 65.7 years and population density is 240 inhabitants per square kilometer.
The population growth rate of Marshall Islands peaked in 1968, reaching around 7.55% annually, but has since declined to approximately 0.89% in 2026. The annual increase in the number of people has also decreased from a peak of around 1.66 thousand in 1969 to nearly 386 in 2026.
In Marshall Islands, life expectancy at birth has been increasing, with the indicator rising from 63.5 years in 2006 to 65.7 years in 2026, representing an increase of more than 2 years over the past 2 decades.
The cities of Marshall Islands are small, with the 5 most populated adding up to around 45.2 thousand inhabitants. The most populous city is Majuro, Majuro Atoll, with approximately 25.4 thousand inhabitants. It is followed by Ebaye, Kwajalein Atoll with 15 thousand and Arno, Arno Atoll with 2.1 thousand.
These are the 20 most populous cities in Marshall Islands:
| # | City | Population |
|---|---|---|
| 1 | Majuro, Majuro Atoll | 25,400 |
| 2 | Ebaye, Kwajalein Atoll | 15,000 |
| 3 | Arno, Arno Atoll | 2,068 |
| 4 | Laura, Majuro Atoll | 1,547 |
| 5 | Jabor, Jaluit Atoll | 1,200 |
| 6 | Wotje, Wotje Atoll | 880 |
| 7 | Mili, Mili Atoll | 854 |
| 8 | Namdrik, Namdrik Atoll | 814 |
| 9 | Ebon, Ebon Atoll | 714 |
| 10 | Kili, Kili Island | 602 |
| # | City | Population |
|---|---|---|
| 11 | Likiep, Likiep Atoll | 482 |
| 12 | Ailuk, Ailuk Atoll | 451 |
| 13 | Ujae, Ujae Atoll | 448 |
| 14 | Aur, Aur Atoll | 438 |
| 15 | Utrik, Utrik Atoll | 409 |
| 16 | Lae, Lae Atoll | 319 |
| 17 | Mejit, Mejit Island | 300 |
| 18 | Wotho, Wotho Atoll | 160 |
| 19 | Lib, Lib Island | 115 |
| 20 | Jabat, Jabat Island | 112 |